Standard for high-performance corrosion-resistant Hastelloy C276 hex bolts and NS334 nuts for marine engineering
Introduction to Hastelloy C276 Material:
The material of C276 bolts is Hastelloy C-276, which is a nickel based alloy with excellent corrosion resistance and is particularly suitable for harsh corrosive environments.
The main components of Hastelloy C-276 include nickel, molybdenum, chromium, iron, and tungsten, and the combination of these elements gives it extremely high corrosion resistance, making it the most corrosion-resistant modern metal material. It can resist various corrosive media such as wet chlorine, various oxidizing chlorides, chloride salt solutions, sulfuric acid, and oxidizing salts, especially performing well in low and medium temperature hydrochloric acid environments. Therefore, C-276 alloy has a wide range of applications in industrial fields such as chemical, petrochemical, flue gas desulfurization, pulp and paper, and environmental protection.
Chemical composition:
| Ni | Mo | Cr | Fe | W | Mn | Sb |
| - | 15.00-17.00% | 14.50-16.50% | 4.00-7.00% | 3.00-4.50% | 0.00-1.00% | - |
The physical properties of C-276 alloy include a density of 8.90g/cm3, a specific heat of 425J/kg/k, and an elastic modulus of 205GPa (measured at 21 ℃). Its mechanical properties are also excellent, with high strength and toughness, but this also makes machining and deformation somewhat difficult.
C276 alloy is a nickel based alloy composed of elements such as nickel, chromium, and molybdenum, which endow it with excellent corrosion resistance. It can work stably for a long time in various corrosive media such as strong acid, strong alkali, salt water, etc., without corrosion or damage. In addition, C276 alloy also has high temperature stability and can maintain its properties unchanged in high temperature environments.
Due to these characteristics of C276 alloy, C276 bolts are widely used in fields such as petroleum, chemical, marine engineering, pharmaceuticals, and power. In these fields, equipment often needs to face harsh environments such as high temperature, high pressure, and strong corrosion, and C276 bolts can provide reliable connections and fixation to ensure the safe and stable operation of the equipment.
In addition to its corrosion resistance and high temperature stability, C276 bolts also have good mechanical properties. It has high strength and hardness, and can withstand large tensile and compressive forces. At the same time, it has good ductility and toughness, which can absorb energy when subjected to external impact, reducing the risk of equipment damage.
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